.TH DEVLINK\-HEALTH 8 "20 Feb 2019" "iproute2" "Linux"
.SH NAME
devlink-health \- devlink health reporting and recovery
.SH SYNOPSIS
.sp
.ad l
.in +8
.ti -8
.B devlink
.RI "[ " OPTIONS " ]"
.B health
.RI  " { " COMMAND " | "
.BR help " }"
.sp

.ti -8
.IR OPTIONS " := { "
\fB\-V\fR[\fIersion\fR] }

.ti -8
.B devlink health show
.RI "[ " DEV ""
.B reporter
.RI ""REPORTER " ] "

.ti -8
.B devlink health recover
.RI "" DEV ""
.B reporter
.RI "" REPORTER ""

.ti -8
.B devlink health diagnose
.RI "" DEV ""
.B reporter
.RI "" REPORTER ""

.ti -8
.B devlink health dump show
.RI "" DEV ""
.B  reporter
.RI "" REPORTER ""

.ti -8
.B devlink health dump clear
.RI "" DEV ""
.B reporter
.RI "" REPORTER ""

.ti -8
.B devlink health set
.RI "" DEV ""
.B reporter
.RI "" REPORTER ""
[
.BI "grace_period " MSEC "
] [
.BR auto_recover " { " true " | " false " } "
] [
.BR auto_dump " { " true " | " false " } "
]

.ti -8
.B devlink health help

.SH "DESCRIPTION"
.SS devlink health show - Show status and configuration on all supported reporters on all devlink devices.

.PP
.I "DEV"
- specifies the devlink device.

.PP
.I "REPORTER"
- specifies the reporter's name registered on the devlink device.

.SS devlink health recover - Initiate a recovery operation on a reporter.
This action performs a recovery and increases the recoveries counter on success.

.PP
.I "DEV"
- specifies the devlink device.

.PP
.I "REPORTER"
- specifies the reporter's name registered on the devlink device.

.SS devlink health diagnose - Retrieve diagnostics data on a reporter.

.PP
.I "DEV"
- specifies the devlink device.

.PP
.I "REPORTER"
- specifies the reporter's name registered on the devlink device.

.SS devlink health dump show - Display the last saved dump.

.PD 0
.P
devlink health saves a single dump per reporter. If an dump is
.P
not already stored by the Devlink, this command will generate a new
.P
dump. The dump can be generated either automatically when a
.P
reporter reports on an error or manually at the user's request.
.PD

.PP
.I "DEV"
- specifies the devlink device.

.PP
.I "REPORTER"
- specifies the reporter's name registered on the devlink device.

.SS devlink health dump clear - Delete the saved dump.
Deleting the saved dump enables a generation of a new dump on
.PD 0
.P
the next "devlink health dump show" command.
.PD

.PP
.I "DEV"
- specifies the devlink device.

.PP
.I "REPORTER"
- specifies the reporter's name registered on the devlink device.

.SS devlink health set - Configure health reporter.
Please note that some params are not supported on a reporter which
doesn't support a recovery or dump method.

.PP
.I "DEV"
- specifies the devlink device.

.PP
.I "REPORTER"
- specifies the reporter's name registered on the devlink device.

.TP
.BI grace_period " MSEC "
Time interval between consecutive auto recoveries.

.TP
.BR auto_recover " { " true " | " false " } "
Indicates whether the devlink should execute automatic recover on error.

.TP
.BR auto_dump " { " true " | " false " } "
Indicates whether the devlink should execute automatic dump on error.

.SH "EXAMPLES"
.PP
devlink health show
.RS 4
List status and configuration of available reporters on devices.
.RE
.PP
devlink health recover pci/0000:00:09.0 reporter tx
.RS 4
Initiate recovery on tx reporter registered on pci/0000:00:09.0.
.RE
.PP
devlink health diagnose pci/0000:00:09.0 reporter tx
.RS 4
List diagnostics data on the specified device and reporter.
.RE
.PP
devlink health dump show pci/0000:00:09.0 reporter tx
.RS 4
Display the last saved dump on the specified device and reporter.
.RE
.PP
devlink health dump clear pci/0000:00:09.0 reporter tx
.RS 4
Delete saved dump on the specified device and reporter.
.RE
.PP
devlink health set pci/0000:00:09.0 reporter tx grace_period 3500
.RS 4
Set time interval between auto recoveries to minimum of 3500 msec on
the specified device and reporter.
.RE
.PP
devlink health set pci/0000:00:09.0 reporter tx auto_recover false
.RS 4
Turn off auto recovery on the specified device and reporter.
.RE
.SH SEE ALSO
.BR devlink (8),
.BR devlink-dev (8),
.BR devlink-port (8),
.BR devlink-param (8),
.BR devlink-region (8),
.br

.SH AUTHOR
Aya Levin <ayal@mellanox.com>
